Someone who doesn't think for themselves and blindly, unquestioningly believes what they are told, even though it conflicts with their own senses and experiences.

They think 2+2=5 because they are told it does by an "authority figure".
That guy thinks that Osama Bin Laden stood down NORAD on September 11th, he's a real 225.
by Darko Productions September 02, 2008
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